WebSocket Tester

Test WebSocket Connections

Custom Headers & Authentication

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Disconnected

Message Log

About WebSocket Tester

WebSockets enable real-time communication between clients and servers, making them essential for interactive applications like chat systems, online gaming, and live data streaming. A WebSocket Tester is a tool that allows developers to establish WebSocket connections, send messages, and monitor responses in real-time. This helps in debugging and ensuring stable, bidirectional communication between the client and server.

WebSocket testing is crucial for ensuring that data flows correctly, connections remain stable, and servers handle requests efficiently. A tester simplifies the process by providing an interface for sending and receiving messages without writing code manually.

Core Capabilities

  • Real-Time Connection Testing: Establishes WebSocket connections to test server responses.
  • Message Sending & Receiving: Allows users to send messages and view incoming responses instantly.
  • Connection Status Monitoring: Displays live status updates, including open, close, and error events.
  • Custom Headers & Authentication: Supports authorization tokens, cookies, and custom request headers.
  • Binary & Text Data Support: Works with both plain text and binary WebSocket messages.

Common Use Cases

Debugging WebSocket Connections

Developers can test WebSocket endpoints to verify whether connections open and close correctly, ensuring servers handle messages as expected.

Example
WebSocket URL:
wss://example.com/socket

Status: Connected

Received Message: { "status": "success" }

Simulating Real-Time Communication

A WebSocket Tester can send simulated messages to test real-time applications such as live chat, stock market updates, or multiplayer games.

Example
Sent Message:
{ "message": "Hello, server!" }

Server Response: { "reply": "Hello, client!" }

Checking Authentication and Headers

Many WebSocket servers require authentication through headers or tokens. A tester allows users to configure custom headers before establishing a connection.

Example
Header:
Authorization: Bearer your_token_here

Connection Status: Authenticated and Connected

Troubleshooting & Best Practices

Check WebSocket URL

Ensure the server supports WebSocket connections (ws:// or wss://).

Verify Headers and Authentication

If the connection fails, confirm that tokens and authentication details are correct.

Monitor Server Responses

Look for error messages indicating issues with message formatting or permissions.

Test Connection Stability

Run long-duration tests to detect unexpected disconnections.

Use Secure Connections

Prefer wss:// over ws:// for encrypted communication.